The Mosura fentoni, or "sea moth," is a newly discovered type of arthropod that would have lived in the deep sea more than 500 million years ago.

Unique creatures, odd animals and new species are discovered across the planet. Some are found lurking in remote corners of the world, while others have been hiding right under our noses. Learn more ...

Massive sea creatures were spotted off the coast of California, onlookers said. Four fin whales were seen among thousands of common dolphins as they fed off the coast of Dana Point, according to a May ...

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The ...